These tools can help you check accessibility in documents, web pages, even videos.
Colour Contrast Analyser - Test color contrast in documents, on web pages, and in videos
RGB to HEX converter - Convert the standard Red, Green and Blue color code into a HEX value
Screen Reader Demonstration - Learn how screen reading software works
Web Color Contrast Checker - Test HEX color codes for accessibility
WebAIM WAVE Evaluation Tool - Test a single web page for accessibility